211202020102 has 4 divisors (see below), whose sum is σ = 316803030156. Its totient is φ = 105601010050.

The previous prime is 211202020093. The next prime is 211202020109. The reversal of 211202020102 is 201020202112.

It is a happy number.

211202020102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×211202020102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211202020109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52800505024 + ... + 52800505027.

It is an arithmetic number, because the mean of its divisors is an integer number (79200757539).

Almost surely, 2^211202020102 is an apocalyptic number.

211202020102 is a deficient number, since it is larger than the sum of its proper divisors (105601010054).

211202020102 is a wasteful number, since it uses less digits than its factorization.

211202020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105601010053.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211202020102 its reverse (201020202112), we get a palindrome (412222222214).

The spelling of 211202020102 in words is "two hundred eleven billion, two hundred two million, twenty thousand, one hundred two".